Intangible Assets - Goodwill Rollforward (Details) $ in Millions |
3 Months Ended |
|---|---|
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Mar. 31, 2019
USD ($)
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| Goodwill | 听 |
| Goodwill, Beginning Balance | $ 18,386 |
| Acquisitions | 1,541 |
| Goodwill, Ending Balance | 19,927 |
| SIRIUS XM Holdings | 听 |
| Goodwill | 听 |
| Goodwill, Beginning Balance | 14,250 |
| Acquisitions | 1,541 |
| Goodwill, Ending Balance | 15,791 |
| Formula 1 | 听 |
| Goodwill | 听 |
| Goodwill, Beginning Balance | 3,956 |
| Goodwill, Ending Balance | 3,956 |
| Other | 听 |
| Goodwill | 听 |
| Goodwill, Beginning Balance | 180 |
| Goodwill, Ending Balance | $ 180 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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